2003
Phospholipase D prevents apoptosis in v-Src-transformed rat fibroblasts and MDA-MB-231 breast cancer cells
Zhong M, Shen Y, Zheng Y, Joseph T, Jackson D, Foster D. Phospholipase D prevents apoptosis in v-Src-transformed rat fibroblasts and MDA-MB-231 breast cancer cells. Biochemical And Biophysical Research Communications 2003, 302: 615-619. PMID: 12615079, DOI: 10.1016/s0006-291x(03)00229-8.Peer-Reviewed Original ResearchConceptsHuman breast cancer cell linesSerum withdrawalBreast cancer cell linesMDA-MB-231 breast cancer cellsMDA-MB-231 cellsPLD activityBreast cancer cellsElevated PLD activityCancer cell linesTyrosine kinaseRat fibroblastsElevated expressionElevated levelsCancer cellsPhospholipase D activityCell linesWithdrawalApoptosisOncogenic signalsUndergo apoptosisD activityCellsFibroblastsApoptotic insultsPhospholipase D
2002
Elevated phospholipase D activity induces apoptosis in normal rat fibroblasts
Zhong M, Joseph T, Jackson D, Beychenok S, Foster D. Elevated phospholipase D activity induces apoptosis in normal rat fibroblasts. Biochemical And Biophysical Research Communications 2002, 298: 474-477. PMID: 12408976, DOI: 10.1016/s0006-291x(02)02495-6.Peer-Reviewed Original ResearchConceptsElevated PLD expressionPLD expressionPhospholipase DRat fibroblastsElevated expressionProtein kinase C deltaNormal rat fibroblastsElevated phospholipase D activityInducible expression systemCytochrome c releaseMitochondrial apoptosis pathwayADP-ribose polymerasePhospholipase D activityC deltaApoptotic insultsC releaseExpression systemTyrosine kinase expressionTransient transfectionTyrosine kinaseApoptosis pathwayCell transformationPLD activityAbsence of serumCaspase-3Downregulating PKC δ provides a PI3K/Akt-independent survival signal that overcomes apoptotic signals generated by c-Src overexpression
Zhong M, Lu Z, Foster D. Downregulating PKC δ provides a PI3K/Akt-independent survival signal that overcomes apoptotic signals generated by c-Src overexpression. Oncogene 2002, 21: 1071-1078. PMID: 11850824, DOI: 10.1038/sj.onc.1205165.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisCaspase 9CaspasesCell LineCell Line, TransformedCell SurvivalCulture Media, Serum-FreeCytochrome c GroupDown-RegulationIsoenzymesPhosphatidylinositol 3-KinasesProtein Kinase CProtein Kinase C-deltaProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktProto-Oncogene Proteins pp60(c-src)RatsSignal TransductionTetradecanoylphorbol AcetateConceptsSurvival signalsSerum withdrawalPKC δApoptotic signalsTyrosine kinase c-SrcProtein kinase C δC-Src overexpressionKinase c-SrcCaspase-9 pathwayV-SrcRenders cellsApoptotic phenotypeApoptotic stressC-SrcSurvival pathwaysRat fibroblastsDownregulationApoptosisCellsPathwayOverexpressionPhenotypeFibroblastsSignals
2001
Novel tumor-promoting property of tamoxifen.
Zhong M, Lu Z, Abbas T, Hornia A, Chatakondu K, Barile N, Kaplan P, Foster D. Novel tumor-promoting property of tamoxifen. Molecular Cancer Research 2001, 12: 187-92. PMID: 11331247.Peer-Reviewed Original ResearchConceptsTumor-promoting capabilitiesEstrogen antagonist propertiesEstrogen-mimetic effectsEffect of tamoxifenBreast cancer patientsYears of treatmentTumor-promoting phorbol ester TPATumor-promoting propertiesC-Src overexpressionEndometrial cancerCancer patientsRat fibroblastsTamoxifenPhorbol ester TPA
2000
Phospholipase D and RalA Cooperate with the Epidermal Growth Factor Receptor To Transform 3Y1 Rat Fibroblasts
Lu Z, Hornia A, Joseph T, Sukezane T, Frankel P, Zhong M, Bychenok S, Xu L, Feig L, Foster D. Phospholipase D and RalA Cooperate with the Epidermal Growth Factor Receptor To Transform 3Y1 Rat Fibroblasts. Molecular And Cellular Biology 2000, 20: 462-467. PMID: 10611224, PMCID: PMC85102, DOI: 10.1128/mcb.20.2.462-467.2000.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DivisionCell LineCell Transformation, NeoplasticEnzyme ActivationEpidermal Growth FactorErbB ReceptorsFibroblastsGene ExpressionGenes, DominantGTP PhosphohydrolasesJNK Mitogen-Activated Protein KinasesMitogen-Activated Protein KinasesMutationPhenotypePhospholipase DRal GTP-Binding ProteinsRas ProteinsRatsSignal TransductionTransfectionConceptsEGFR cellsAbsence of EGFEpidermal growth factor receptorGrowth factor receptorRas-dependent activationElevated phospholipase D activityEGF-induced activationOverexpression of PLD1Factor receptorRat fibroblastsDownstream effector moleculesRalA mutantsActivation of PLDPhospholipase D activityJun kinaseSmall GTPaseEGF receptorRalA.PLD activityPhospholipase DRalAEffector moleculesPLD1EGFMitogenic stimuli